Verrill, A.E. 1881. Notice of recent additions to the marine invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part 2. Mollusca, with notes on Annelida, Echinodermata, etc. collected by the United States Fish Commission. Smithsonian Miscellaneous Collections 22: 356-405., available online athttp://hdl.handle.net/10088/12375[details]

original descriptionVerrill, A.E. 1881. Notice of recent additions to the marine invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part 2. Mollusca, with notes on Annelida, Echinodermata, etc. collected by the United States Fish Commission. Smithsonian Miscellaneous Collections 22: 356-405., available online athttp://hdl.handle.net/10088/12375[details]

source of synonymyHartman, O. 1944. New England Annelida. Part 2. Including the unpublished plates by Verrill with reconstructed captions. Bulletin of the American Museum of Natural History, 82(7): 331-343., available online athttp://hdl.handle.net/2246/1052[details]